Helmet and chin strap
AssigneeShoei Co., Ltd.
InventorKyosuke Ishikawa
Life of this patent
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Abstract
This helmet includes a cap body and a chin strap that is arranged on the inner side of the cap body. The chin strap is woven into a strap shape using weft threads and warp threads. The warp threads include a first warp thread constituted by a first fiber, and a second warp thread constituted by a second fiber, which is made of ultra high molecular weight polyethylene. The tensile strength and the elastic modulus of the second fiber are greater than those of the first fiber. The weft threads are constituted by the first fiber.
Claims7
A helmet, comprising:
- a helmet body;
- and
- a chin strap arranged at an inner side of the helmet body, wherein
- the chin strap is woven with wefts and warps to be strap-shaped,
- the warps include a first warp formed by a first fiber and a second warp formed by a second fiber of ultrahigh molecular weight polyethylene,
- the second fiber has a higher tensile strength and a higher elastic modulus than the first fiber, and
- the wefts are each formed by the first fiber.
A chin strap arranged at an inner side of a helmet body of a helmet, wherein
- the chin strap is woven with wefts and warps to be strap-shaped,
- the warps include a first warp formed by a first fiber and a second warp formed by a second fiber of ultrahigh molecular weight polyethylene,
- the second fiber has a higher tensile strength and a higher elastic modulus than the first fiber, and
- the wefts are each formed by the first fiber.
Dependencies are inferred from the claim text.